Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual construtor estava presente na corrida com 25 voltas?
 ###Tabelas: CREATE TABLE runners-up (runners-up_id AUTO_INCREMENT PRIMARY KEY, Date VARCHAR, Tournament VARCHAR, Surface VARCHAR, Partner VARCHAR, Opponents VARCHAR, Score VARCHAR) CREATE TABLE seasonal_ratings_broadcast_history (seasonal_ratings_broadcast_history_id AUTO_INCREMENT PRIMARY KEY, Season INT, Network VARCHAR, Time slot VARCHAR, Season premiere VARCHAR, Season finale VARCHAR, Episode count INT, TV season VARCHAR, Season rank VARCHAR, Viewers (in millions) INT) CREATE TABLE fastest_progress_to_top_division (fastest_progress_to_top_division_id AUTO_INCREMENT PRIMARY KEY, Name VARCHAR, Tournaments INT, Pro Debut VARCHAR, Top division debut VARCHAR, Highest rank VARCHAR) CREATE TABLE classification (classification_id AUTO_INCREMENT PRIMARY KEY, Driver VARCHAR, Constructor VARCHAR, Laps INT, Time/Retired VARCHAR, Grid INT) CREATE TABLE political_parties (political_parties_id AUTO_INCREMENT PRIMARY KEY, Name (English) VARCHAR, Name (German) VARCHAR, Abbr. VARCHAR, Ideology VARCHAR, Position VARCHAR, Votes (2011) VARCHAR, Seats in Hamburgische Bürgerschaft INT)  
SELECT Constructor FROM classification WHERE Laps = 25